{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,23]],"date-time":"2026-04-23T05:05:12Z","timestamp":1776920712521,"version":"3.51.2"},"reference-count":34,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2020,3,24]],"date-time":"2020-03-24T00:00:00Z","timestamp":1585008000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100007500","name":"Bloomberg Family Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007500","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004325","name":"AstraZeneca","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004325","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Maternal &amp; Child Nutrition"],"published-print":{"date-parts":[[2020,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>One post\u2010partum behaviour that may be protective against post\u2010partum weight retention and long\u2010term weight gain among women of reproductive age is lactation because of its potential role in resetting maternal metabolism after pregnancy. However, most of the evidence focuses on weight retention at 6, 12, or 24 months post\u2010partum, and data beyond 2 years after birth are sparse, and findings are inconclusive. Therefore, our aim was to assess the association of parity and mean duration of lactation per child with long\u2010term weight change in Mexican women. We assessed the association of parity and mean duration of lactation per child with long\u2010term weight change in 75,421 women from the Mexican Teachers' Cohort. Several multivariable regression models were fit to assess these associations. We also examined the non\u2010linear association between duration of lactation and weight change using restricted cubic splines. We found that parous women (\u22654 children) gained 2.81 kg more (95% CI [2.52, 3.10]) than did nulliparous women. The association between mean duration of lactation per child and weight change appeared to be non\u2010linear. Women who breastfed on average 3\u20136 months per child had lower gain weight (\u22121.10, 95% CI [\u22121.58, \u22120.47 kg]) than had women who did not breastfeed. This association was linear up to 6 months of lactation per child. Our findings suggest that parity alters weight\u2010gain trajectory in women and that lactation could reduce this alteration. These findings are important in the prevention of excessive weight gain through reproductive years and their future health implications.<\/jats:p>","DOI":"10.1111\/mcn.12988","type":"journal-article","created":{"date-parts":[[2020,3,24]],"date-time":"2020-03-24T09:35:57Z","timestamp":1585042557000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Parity, lactation, and long\u2010term weight change in Mexican women"],"prefix":"10.1111","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2250-3683","authenticated-orcid":false,"given":"M\u00f3nica","family":"Mazariegos","sequence":"first","affiliation":[{"name":"Nutrition and Health Research Center National Institute of Public Health  Cuernavaca Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eduardo","family":"Ortiz\u2010Panozo","sequence":"additional","affiliation":[{"name":"Population Health Research Center National Institute of Public Health  Cuernavaca Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Teresita","family":"Gonz\u00e1lez de Cos\u00edo","sequence":"additional","affiliation":[{"name":"Health Department Iberoamerican University  Mexico Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mart\u00edn","family":"Lajous","sequence":"additional","affiliation":[{"name":"Population Health Research Center National Institute of Public Health  Cuernavaca Mexico"},{"name":"Department of Global Health and Population Harvard T.H. Chan School of Public Health  Boston Massachusetts"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruy","family":"L\u00f3pez\u2010Ridaura","sequence":"additional","affiliation":[{"name":"Population Health Research Center National Institute of Public Health  Cuernavaca Mexico"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,3,24]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/ijo.2012.76"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1177\/0890334410369481"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1093\/jn\/131.2.262"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1097\/00001648-199507000-00005"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ogc.2009.04.001"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.ijo.0801631"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.ijo.0802551"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1368980015000828"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1590\/S0036-36341998000200005"},{"key":"e_1_2_10_11_1","unstructured":"International Labour Organization. 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